To provide a method and an apparatus for injection-foamed molding of a light alloy having little difference of foamed state among respective batches and good productivity.
In the method for injection-foamed molding of the light alloy, with which molten light alloy 2 adding a thickener and a foaming material decomposed at high temperature and generating gas component by prescribed ratio, is held at lower than the decomposition temperature of the foaming material and successively, after dispersing the thickener and the foaming material by stirring the molten metal, a prescribed amount for injecting into a metallic mold 24 is weighed and the light alloy foamed molding body is formed by injecting into the metallic mold 24, the temperature of the above molten metal 2 is adjusted to not lower than the decomposition temperature of the foaming material at least just before injection and also, the foaming is restrained under pressurizing state.
| WO/2012/090761 | LIGHT CAST-IRON PRODUCT |
| JP2710191 | APPARATUS FOR CASTING METALLIC PRODUCT |
YAMAGUCHI KAZUO
ROKUSHA TAKESHI
NISHI SEIJI
Makoto Suhara
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